<footer class=“site-footer”>
<a class="to-top" href="#">go to top</a> <span class="copyright">Copyright © 2015-2017 {{ site.title }}[{{ site.author }}] all rights reserved</span>
</footer>
<footer class=“site-footer”>
<a class="to-top" href="#">go to top</a> <span class="copyright">Copyright © 2015-2017 {{ site.title }}[{{ site.author }}] all rights reserved</span>
</footer>